<template>
	<el-form size="large" class="login-content-form">
		<el-form-item class="login-animation1">
			<el-input text placeholder="用户名 admin 或不输均为 common" v-model="state.ruleForm.userName" clearable autocomplete="off">
				<template #prefix>
					<el-icon class="el-input__icon"><ele-User /></el-icon>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-animation2">
			<el-input :type="state.isShowPassword ? 'text' : 'password'" placeholder="密码：123456" v-model="state.ruleForm.password" autocomplete="off">
				<template #prefix>
					<el-icon class="el-input__icon"><ele-Unlock /></el-icon>
				</template>
				<template #suffix>
					<i
						class="iconfont el-input__icon login-content-password"
						:class="state.isShowPassword ? 'icon-yincangmima' : 'icon-xianshimima'"
						@click="state.isShowPassword = !state.isShowPassword"
					>
					</i>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-animation3">
      <el-col :span="15">
        <el-input 
          text 
          maxlength="4" 
          placeholder="请输入验证码" 
          v-model="state.ruleForm.code" 
          clearable 
          autocomplete="off"
        >
          <template #prefix>
            <el-icon class="el-input__icon"><ele-Position /></el-icon>
          </template>
        </el-input>
      </el-col>
      <el-col :span="1"></el-col>
      <el-col :span="8">
        <el-button class="login-content-code" v-waves @click="refreshCaptcha">
          <!-- 显示验证码图片或文字 -->
          <img v-if="state.captchaImage" :src="state.captchaImage" alt="验证码" style="width: 100%; height: 100%;"/>
          <!-- <span v-else>{{ state.captchaText || '验证码' }}</span> -->
        </el-button>
      </el-col>
    </el-form-item>
		<el-form-item class="login-animation4">
			<el-button type="primary" class="login-content-submit" round v-waves @click="onSignIn" :loading="state.loading.signIn">
				<span>登 录</span>
			</el-button>
		</el-form-item>
	</el-form>
</template>

<script setup name="loginAccount">
import { reactive, computed, onMounted } from 'vue';
import { useRoute, useRouter } from 'vue-router';
import { ElMessage } from 'element-plus';
import Cookies from 'js-cookie';
import { storeToRefs } from 'pinia';
import { useThemeConfig } from '/@/stores/themeConfig';
import { initFrontEndControlRoutes } from '/@/router/frontEnd';
import { initBackEndControlRoutes } from '/@/router/backEnd';
import { Session } from '/@/utils/storage';
import { formatAxis } from '/@/utils/formatTime';
import { NextLoading } from '/@/utils/loading';
import { useLoginApi, getCaptchaApi } from '/@/api/login';

// 定义变量内容
const storesThemeConfig = useThemeConfig();
const { themeConfig } = storeToRefs(storesThemeConfig);
const route = useRoute();
const router = useRouter();
const { signIn } = useLoginApi();

const state = reactive({
	isShowPassword: false,
	ruleForm: {
		userName: 'admin',
		password: 'admin@Erp.',
		code: '',
	},
	captcha: {
    text: '',        // 存储验证码文本（如果是文字验证码）
    image: '',       // 存储验证码图片URL（如果是图片验证码）
    key: ''          // 验证码唯一标识，用于后端验证
  },
  // 新增验证码显示相关状态
  captchaImage: '',
  captchaText: '',
  loading: {
    signIn: false,
  },
	loading: {
		signIn: false,
	},
});

const refreshCaptcha = async () => {
  try {
    const timestamp = new Date().getTime();
    const response = await getCaptchaApi(timestamp);
    
    if (response.success && response.result) {
      state.captchaImage = response.result; // 验证码图片
      state.captcha.key = response.captchaKey || timestamp.toString(); // 保存验证码key
    } else {
      ElMessage.error(response.message || '获取验证码失败');
    }
  } catch (error) {
    console.error('获取验证码失败:', error);
    ElMessage.error('获取验证码失败');
  }
};

// 时间获取
const currentTime = computed(() => {
	return formatAxis(new Date());
});
// 登录
const onSignIn = async () => {
  state.loading.signIn = true;
  try {
    // 1. 定义请求数据（之前漏掉了这关键一步）
    const requestData = {
      username: state.ruleForm.userName,
      password: state.ruleForm.password,
      captcha: state.ruleForm.code,
      checkKey: state.captcha.key,
      remember_me: true
    };

    // 2. 发送登录请求
    const response = await signIn(requestData);
    console.log("登录响应:", response);

    // 3. 处理响应（兼容两种成功状态）
    if (response?.code === 200 || response?.success) {
      // 获取token（兼容不同响应结构）
      const token = response.result?.token || response.data?.token || response.token;
      if (!token) throw new Error('Token不存在');
      
      // 存储token和用户信息
      Session.set('token', token);
      Cookies.set('userName', state.ruleForm.userName);
      
      // 4. 初始化路由
      const isNoPower = themeConfig.value.isRequestRoutes 
        ? await initBackEndControlRoutes()
        : await initFrontEndControlRoutes();
      
      // 5. 跳转逻辑
      signInSuccess(isNoPower);
    } else {
      ElMessage.error(response?.message || '登录失败');
    }
  } catch (error) {
    console.error("登录失败:", error);
    ElMessage.error(error.message || '登录失败');
  } finally {
    state.loading.signIn = false;
  }
};
// 登录成功后的跳转
const signInSuccess = (isNoPower) => {
	if (isNoPower) {
		ElMessage.warning('抱歉，您没有登录权限');
		Session.clear();
	} else {
		// 初始化登录成功时间问候语
		let currentTimeInfo = currentTime.value;
		// 登录成功，跳到转首页
		// 如果是复制粘贴的路径，非首页/登录页，那么登录成功后重定向到对应的路径中
		if (route.query?.redirect) {
			router.push({
				path: route.query?.redirect,
				query: Object.keys(route.query?.params).length > 0 ? JSON.parse(route.query?.params) : '',
			});
		} else {
			router.push('/');
		}
		// 登录成功提示
		const signInText = '欢迎回来！';
		ElMessage.success(`${currentTimeInfo}，${signInText}`);
		// 添加 loading，防止第一次进入界面时出现短暂空白
		NextLoading.start();
	}
	state.loading.signIn = false;
};

// 页面加载时获取验证码
onMounted(() => {
  refreshCaptcha();
});
</script>

<style scoped lang="scss">
.login-content-form {
	margin-top: 20px;
	@for $i from 1 through 4 {
		.login-animation#{$i} {
			opacity: 0;
			animation-name: error-num;
			animation-duration: 0.5s;
			animation-fill-mode: forwards;
			animation-delay: calc($i/10) + s;
		}
	}
	.login-content-password {
		display: inline-block;
		width: 20px;
		cursor: pointer;
		&:hover {
			color: #909399;
		}
	}
	.login-content-code {
		width: 100%;
		padding: 0;
		font-weight: bold;
		letter-spacing: 5px;
	}
	.login-content-submit {
		width: 100%;
		letter-spacing: 2px;
		font-weight: 300;
		margin-top: 15px;
	}
}
</style>
